<template>
  <div class="wscn-http404-container">
    <div class="wscn-http404">
      <div class="pic-404">
        <img class="pic-404__parent" :src="img404" alt="404">
        <img class="pic-404__child left" :src="img404Cloud" alt="404">
        <img class="pic-404__child mid" :src="img404Cloud" alt="404">
        <img class="pic-404__child right" :src="img404Cloud" alt="404">
      </div>
      <div class="bullshit">
        <div class="bullshit__oops">出错啦!</div>
        <div class="bullshit__headline">{{ message }}</div>
        <div class="bullshit__info">请检查您输入的网址是否正确，请点击以下按钮返回主页或者发送错误报告</div>
        <a href class="bullshit__return-home">返回首页</a>
      </div>
    </div>
  </div>
</template>

<script>
import img404 from "./images/404.png";
import img404Cloud from "./images/404_cloud.png";

export default {
  name: "page404",

  data() {
    return {
      img404,
      img404Cloud
    };
  },

  computed: {
    message() {
      return "网管说这个页面你不能进......";
    }
  }
};
</script>
<style lang="scss" scoped>
.wscn-http404-container{
  transform:translate(-50%, -50%);
  position:absolute;
  top:40%;
  left:50%;
}
.wscn-http404 {
  position:relative;
  width:1200px;
  padding: 0 50px;
  overflow: hidden;
}
.pic-404 {
  position: relative;
  float: left;
  width: 600px;
  overflow: hidden;
  &__parent{
    width: 100%;
  }
  &__child {
    position: absolute;
    &.left {
      width: 80px;
      top: 17px;
      left: 220px;
      opacity: 0;
      animation-name: cloudLeft;
      animation-duration: 2s;
      animation-timing-function: linear;
      animation-fill-mode: forwards;
      animation-delay: 1s;
    }
    &.mid {
      width: 46px;
      top: 10px;
      left: 420px;
      opacity: 0;
      animation-name: cloudMid;
      animation-duration: 2s;
      animation-timing-function: linear;
      animation-fill-mode: forwards;
      animation-delay: 1.2s;
    }
    &.right {
      width: 62px;
      top: 100px;
      left: 500px;
      opacity: 0;
      animation-name: cloudRight;
      animation-duration: 2s;
      animation-timing-function: linear;
      animation-fill-mode: forwards;
      animation-delay: 1s;
    }
    @keyframes cloudLeft {
      0% {
        top: 17px;
        left: 220px;
        opacity: 0;
      }
      20% {
        top: 33px;
        left: 188px;
        opacity: 1;
      }
      80% {
        top: 81px;
        left: 92px;
        opacity: 1;
      }
      100% {
        top: 97px;
        left: 60px;
        opacity: 0;
      }
    }
    @keyframes cloudMid{
      0%{
        top: 10px;
        left: 420px;
        opacity: 0;
      }
      20%{
        top: 40px;
        left: 360px;
        opacity: 1;
      }
      70%{
        top: 130px;
        left: 180px;
        opacity: 1;
      }
      100%{
        top: 160px;
        left: 120px;
        opacity: 0;
      }
    }
    @keyframes cloudRight{
      0%{
        top: 100px;
        left: 500px;
        opacity: 0;
        }
      20%{
        top: 120px;
        left: 460px;
        opacity: 1;
        }
      80%{
        top: 180px;
        left: 340px;
        opacity: 1;
        }
      100%{
        top: 200px;
        left: 300px;
        opacity: 0;
      }
    }
  }
}
.bullshit {
  position: relative;
  float: left;
  width: 300px;
  padding: 30px 0;
  overflow: hidden;
  &__oops {
    font-size: 32px;
    font-weight: bold;
    line-height: 40px;
    color: #1482f0;
    opacity: 0;
    margin-bottom: 20px;
    animation-name: slideUp;
    animation-duration: 0.5s;
    animation-fill-mode: forwards;
  }
  &__headline {
    font-size: 20px;
    line-height: 24px;
    color: #222;
    font-weight: bold;
    opacity: 0;
    margin-bottom: 10px;
    animation-name: slideUp;
    animation-duration: 0.5s;
    animation-delay: 0.1s;
    animation-fill-mode: forwards;
  }
  &__info {
    font-size: 13px;
    line-height: 21px;
    color: grey;
    opacity: 0;
    margin-bottom: 30px;
    animation-name: slideUp;
    animation-duration: 0.5s;
    animation-delay: 0.2s;
    animation-fill-mode: forwards;
  }
  &__return-home {
    display: block;
    float: left;
    width: 110px;
    height: 36px;
    background: #1482f0;
    border-radius: 100px;
    text-align: center;
    color: #ffffff;
    opacity: 0;
    font-size: 14px;
    line-height: 36px;
    cursor: pointer;
    animation-name: slideUp;
    animation-duration: 0.5s;
    animation-delay: 0.3s;
    animation-fill-mode: forwards;
  }
  @keyframes slideUp {
    0% {
      transform: translateY(60px);
      opacity: 0;
    }
    100% {
      transform: translateY(0);
      opacity: 1;
    }
  }
}
</style>
